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发明名称
ERROR-CORRECTING MATERIAL FOR TYPING
摘要
申请公布号
SU907123(A1)
申请公布日期
1982.02.23
申请号
SU19802932188
申请日期
1980.06.05
申请人
TSNII BUMAGI
发明人
KRYLOV VIKTOR P,SU;SMIRNOV VALENTIN A,SU;KHAJKIN MARK S,SU;SHTREJS GENNADIJ B,SU
分类号
D21H19/52;D21H19/62;D21H27/00;(IPC1-7):21H1/22
主分类号
D21H19/52
代理机构
代理人
主权项
地址
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